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gimp/app/dialogs/module-dialog.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* module-dialog.c
* (C) 1999 Austin Donnelly <austin@gimp.org>
* (C) 2008 Sven Neumann <sven@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmodule/gimpmodule.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "dialogs-types.h"
#include "core/gimp.h"
#include "core/gimp-modules.h"
#include "widgets/gimphelp-ids.h"
#include "module-dialog.h"
#include "gimp-intl.h"
#define RESPONSE_REFRESH 1
enum
{
COLUMN_NAME,
COLUMN_ENABLED,
COLUMN_MODULE,
N_COLUMNS
};
enum
{
INFO_AUTHOR,
INFO_VERSION,
INFO_DATE,
INFO_COPYRIGHT,
INFO_LOCATION,
N_INFOS
};
typedef struct
{
Gimp *gimp;
GimpModule *selected;
GtkListStore *list;
GtkWidget *hint;
GtkWidget *table;
GtkWidget *label[N_INFOS];
GtkWidget *error_box;
GtkWidget *error_label;
} ModuleDialog;
/* local function prototypes */
static void dialog_response (GtkWidget *widget,
gint response_id,
ModuleDialog *dialog);
static void dialog_destroy_callback (GtkWidget *widget,
ModuleDialog *dialog);
static void dialog_select_callback (GtkTreeSelection *sel,
ModuleDialog *dialog);
static void dialog_enabled_toggled (GtkCellRendererToggle *celltoggle,
const gchar *path_string,
ModuleDialog *dialog);
static void make_list_item (gpointer data,
gpointer user_data);
static void dialog_info_add (GimpModuleDB *db,
GimpModule *module,
ModuleDialog *dialog);
static void dialog_info_remove (GimpModuleDB *db,
GimpModule *module,
ModuleDialog *dialog);
static void dialog_info_update (GimpModuleDB *db,
GimpModule *module,
ModuleDialog *dialog);
static void dialog_info_init (ModuleDialog *dialog,
GtkWidget *table);
/* public functions */
GtkWidget *
module_dialog_new (Gimp *gimp)
{
GtkWidget *shell;
GtkWidget *vbox;
GtkWidget *listbox;
GtkWidget *view;
GtkWidget *image;
ModuleDialog *dialog;
GtkTreeSelection *sel;
GtkTreeIter iter;
GtkTreeViewColumn *col;
GtkCellRenderer *rend;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
dialog = g_slice_new0 (ModuleDialog);
dialog->gimp = gimp;
shell = gimp_dialog_new (_("Module Manager"),
"gimp-modules", NULL, 0,
gimp_standard_help_func, GIMP_HELP_MODULE_DIALOG,
GTK_STOCK_REFRESH, RESPONSE_REFRESH,
GTK_STOCK_CLOSE, GTK_STOCK_CLOSE,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (shell),
GTK_RESPONSE_CLOSE,
RESPONSE_REFRESH,
-1);
g_signal_connect (shell, "response",
G_CALLBACK (dialog_response),
dialog);
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (shell))),
vbox);
gtk_widget_show (vbox);
dialog->hint = gimp_hint_box_new (_("You will have to restart GIMP "
"for the changes to take effect."));
gtk_box_pack_start (GTK_BOX (vbox), dialog->hint, FALSE, FALSE, 0);
if (gimp->write_modulerc)
gtk_widget_show (dialog->hint);
listbox = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (listbox),
GTK_SHADOW_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (listbox),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (vbox), listbox, TRUE, TRUE, 0);
gtk_widget_set_size_request (listbox, 124, 100);
gtk_widget_show (listbox);
dialog->list = gtk_list_store_new (N_COLUMNS,
G_TYPE_STRING,
G_TYPE_BOOLEAN,
GIMP_TYPE_MODULE);
view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (dialog->list));
g_object_unref (dialog->list);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (view), FALSE);
g_list_foreach (gimp->module_db->modules, make_list_item, dialog);
rend = gtk_cell_renderer_toggle_new ();
g_signal_connect (rend, "toggled",
G_CALLBACK (dialog_enabled_toggled),
dialog);
col = gtk_tree_view_column_new ();
gtk_tree_view_column_pack_start (col, rend, FALSE);
gtk_tree_view_column_add_attribute (col, rend, "active", COLUMN_ENABLED);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), col);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (view), 1,
_("Module"),
gtk_cell_renderer_text_new (),
"text", COLUMN_NAME,
NULL);
gtk_container_add (GTK_CONTAINER (listbox), view);
gtk_widget_show (view);
dialog->table = gtk_table_new (2, N_INFOS, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (dialog->table), 6);
gtk_box_pack_start (GTK_BOX (vbox), dialog->table, FALSE, FALSE, 0);
gtk_widget_show (dialog->table);
dialog->error_box = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (vbox), dialog->error_box, FALSE, FALSE, 0);
image = gtk_image_new_from_stock (GIMP_STOCK_WARNING, GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start (GTK_BOX (dialog->error_box), image, FALSE, FALSE, 0);
gtk_widget_show (image);
dialog->error_label = gtk_label_new (NULL);
gtk_misc_set_alignment (GTK_MISC (dialog->error_label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (dialog->error_box),
dialog->error_label, TRUE, TRUE, 0);
gtk_widget_show (dialog->error_label);
dialog_info_init (dialog, dialog->table);
dialog_info_update (gimp->module_db, dialog->selected, dialog);
sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
g_signal_connect (sel, "changed",
G_CALLBACK (dialog_select_callback),
dialog);
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->list), &iter))
gtk_tree_selection_select_iter (sel, &iter);
/* hook the GimpModuleDB signals so we can refresh the display
* appropriately.
*/
g_signal_connect (gimp->module_db, "add",
G_CALLBACK (dialog_info_add),
dialog);
g_signal_connect (gimp->module_db, "remove",
G_CALLBACK (dialog_info_remove),
dialog);
g_signal_connect (gimp->module_db, "module-modified",
G_CALLBACK (dialog_info_update),
dialog);
g_signal_connect (shell, "destroy",
G_CALLBACK (dialog_destroy_callback),
dialog);
return shell;
}
/* private functions */
static void
dialog_response (GtkWidget *widget,
gint response_id,
ModuleDialog *dialog)
{
if (response_id == RESPONSE_REFRESH)
gimp_modules_refresh (dialog->gimp);
else
gtk_widget_destroy (widget);
}
static void
dialog_destroy_callback (GtkWidget *widget,
ModuleDialog *dialog)
{
g_signal_handlers_disconnect_by_func (dialog->gimp->module_db,
dialog_info_add,
dialog);
g_signal_handlers_disconnect_by_func (dialog->gimp->module_db,
dialog_info_remove,
dialog);
g_signal_handlers_disconnect_by_func (dialog->gimp->module_db,
dialog_info_update,
dialog);
g_slice_free (ModuleDialog, dialog);
}
static void
dialog_select_callback (GtkTreeSelection *sel,
ModuleDialog *dialog)
{
GimpModule *module;
GtkTreeIter iter;
gtk_tree_selection_get_selected (sel, NULL, &iter);
gtk_tree_model_get (GTK_TREE_MODEL (dialog->list), &iter,
COLUMN_MODULE, &module, -1);
if (module)
g_object_unref (module);
if (dialog->selected == module)
return;
dialog->selected = module;
dialog_info_update (dialog->gimp->module_db, dialog->selected, dialog);
}
static void
dialog_enabled_toggled (GtkCellRendererToggle *celltoggle,
const gchar *path_string,
ModuleDialog *dialog)
{
GtkTreePath *path;
GtkTreeIter iter;
GimpModule *module = NULL;
path = gtk_tree_path_new_from_string (path_string);
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (dialog->list), &iter, path))
{
g_warning ("%s: bad tree path?", G_STRFUNC);
return;
}
gtk_tree_path_free (path);
gtk_tree_model_get (GTK_TREE_MODEL (dialog->list), &iter,
COLUMN_MODULE, &module,
-1);
if (module)
{
gimp_module_set_load_inhibit (module, ! module->load_inhibit);
g_object_unref (module);
dialog->gimp->write_modulerc = TRUE;
gtk_widget_show (dialog->hint);
}
}
static void
dialog_list_item_update (ModuleDialog *dialog,
GtkTreeIter *iter,
GimpModule *module)
{
gtk_list_store_set (dialog->list, iter,
COLUMN_NAME, (module->info ?
gettext (module->info->purpose) :
gimp_filename_to_utf8 (module->filename)),
COLUMN_ENABLED, ! module->load_inhibit,
COLUMN_MODULE, module,
-1);
}
static void
make_list_item (gpointer data,
gpointer user_data)
{
GimpModule *module = data;
ModuleDialog *dialog = user_data;
GtkTreeIter iter;
if (! dialog->selected)
dialog->selected = module;
gtk_list_store_append (dialog->list, &iter);
dialog_list_item_update (dialog, &iter, module);
}
static void
dialog_info_add (GimpModuleDB *db,
GimpModule *module,
ModuleDialog *dialog)
{
make_list_item (module, dialog);
}
static void
dialog_info_remove (GimpModuleDB *db,
GimpModule *module,
ModuleDialog *dialog)
{
GtkTreeIter iter;
/* FIXME: Use gtk_list_store_foreach_remove when it becomes available */
if (! gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->list), &iter))
return;
do
{
GimpModule *this;
gtk_tree_model_get (GTK_TREE_MODEL (dialog->list), &iter,
COLUMN_MODULE, &this,
-1);
if (this)
g_object_unref (this);
if (this == module)
{
gtk_list_store_remove (dialog->list, &iter);
return;
}
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (dialog->list), &iter));
g_warning ("%s: Tried to remove a module not in the dialog's list.",
G_STRFUNC);
}
static void
dialog_info_update (GimpModuleDB *db,
GimpModule *module,
ModuleDialog *dialog)
{
GtkTreeModel *model = GTK_TREE_MODEL (dialog->list);
GtkTreeIter iter;
const gchar *text[N_INFOS] = { NULL, };
gchar *location = NULL;
gboolean iter_valid;
gint i;
gboolean show_error;
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
GimpModule *this;
gtk_tree_model_get (model, &iter,
COLUMN_MODULE, &this,
-1);
if (this)
g_object_unref (this);
if (this == module)
break;
}
if (iter_valid)
dialog_list_item_update (dialog, &iter, module);
/* only update the info if we're actually showing it */
if (module != dialog->selected)
return;
if (! module)
{
for (i = 0; i < N_INFOS; i++)
gtk_label_set_text (GTK_LABEL (dialog->label[i]), NULL);
gtk_label_set_text (GTK_LABEL (dialog->error_label), NULL);
gtk_widget_hide (dialog->error_box);
return;
}
if (module->on_disk)
location = g_filename_display_name (module->filename);
if (module->info)
{
text[INFO_AUTHOR] = module->info->author;
text[INFO_VERSION] = module->info->version;
text[INFO_DATE] = module->info->date;
text[INFO_COPYRIGHT] = module->info->copyright;
text[INFO_LOCATION] = module->on_disk ? location : _("Only in memory");
}
else
{
text[INFO_LOCATION] = (module->on_disk ?
location : _("No longer available"));
}
for (i = 0; i < N_INFOS; i++)
gtk_label_set_text (GTK_LABEL (dialog->label[i]),
text[i] ? text[i] : "--");
/* Show errors */
show_error = (module->state == GIMP_MODULE_STATE_ERROR &&
module->last_module_error);
gtk_label_set_text (GTK_LABEL (dialog->error_label),
show_error ? module->last_module_error : NULL);
gtk_widget_set_visible (dialog->error_box, show_error);
}
static void
dialog_info_init (ModuleDialog *dialog,
GtkWidget *table)
{
GtkWidget *label;
gint i;
const gchar * const text[] =
{
N_("Author:"),
N_("Version:"),
N_("Date:"),
N_("Copyright:"),
N_("Location:")
};
for (i = 0; i < G_N_ELEMENTS (text); i++)
{
label = gtk_label_new (gettext (text[i]));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, i, i + 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 2);
gtk_widget_show (label);
dialog->label[i] = gtk_label_new ("");
gtk_misc_set_alignment (GTK_MISC (dialog->label[i]), 0.0, 0.5);
gtk_label_set_ellipsize (GTK_LABEL (dialog->label[i]),
PANGO_ELLIPSIZE_END);
gtk_table_attach (GTK_TABLE (dialog->table), dialog->label[i],
1, 2, i, i + 1,
GTK_EXPAND | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 2);
gtk_widget_show (dialog->label[i]);
}
}
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